:root {
  /* Colors */
  --color-primary: #d9184e;
  --color-primary-hover: #e63768;
  --color-text: #567;
  --color-text-light: #789;
  --color-text-muted: #999;
  --color-text-dark: #345;
  --color-white: #fff;
  --color-header-bg: #fdb;
  --color-banner-bg: #dfe2f2;
  --color-disabled: #ddd;
  --color-border: #bbb;
  --color-success: #28a745;
  --color-error: #dc3545;

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-secondary: "Roboto", sans-serif;
  --font-size-h1: clamp(1.4rem, 3.5vw, 2rem);
  --font-size-h2: clamp(1.1rem, 2.8vw, 1.5rem);
  --font-size-h3: clamp(0.8rem, 1.5vw, 0.9rem);
  --font-size-base: 16px;

  /* Spacing */
  --header-height: 100px;
  --spacing-sm: 10px;
  --spacing-md: 15px;
  --spacing-lg: 30px;

  /* Chat */
  --color-chat-header: #3273dc;

  /* Border radius */
  --radius-sm: 5px;
  --radius-md: 10px;

  /* Content widths */
  --content-width: 850px;
  --content-width-lg: 900px;
  --content-max-width: 88vw;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  height: 100%;
  font-size: var(--font-size-base);
}

body {
  color: var(--color-text);
  font-family: var(--font-primary);
  margin: 0;
  overflow-x: hidden;
  text-align: center;
}

/* ==========================================================================
   Header / Top Bar
   ========================================================================== */

.top {
  align-items: center;
  background-color: var(--color-header-bg);
  background-image: var(--top-bg);
  background-repeat: no-repeat;
  background-size: 100%;
  display: flex;
  height: var(--header-height);
  position: absolute;
  white-space: nowrap;
  width: 100%;
  z-index: 1;
}

.top a {
  color: var(--color-white);
  text-decoration: none;
}

.top a:focus-visible {
  border-radius: var(--radius-sm);
  outline-offset: 2px;
  outline: 2px solid var(--color-white);
}

.left {
  display: flex;
  font-weight: bold;
  letter-spacing: 0.2em;
  padding-left: var(--spacing-lg);
}

/* ==========================================================================
   Logout Form
   ========================================================================== */

.logout-form {
  display: flex;
  justify-content: flex-end;
  padding-right: var(--spacing-lg);
  width: 100%;
}

.logout-form button {
  background: none;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  padding: 0;
  text-decoration: none;
}

.logout-form button:focus-visible {
  border-radius: var(--radius-sm);
  outline-offset: 2px;
  outline: 2px solid var(--color-white);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.gobutton,
input[type="submit"] {
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
  border: none;
  color: var(--color-white);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: bold;
  letter-spacing: 0.2em;
  margin: var(--spacing-md);
  padding: 25px;
  text-decoration: none;
}

.gobutton:hover,
input[type="submit"]:hover {
  background-color: var(--color-primary-hover);
}

.gobutton:focus-visible,
input[type="submit"]:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.gobutton.gobutton--disabled {
  background-color: var(--color-disabled);
  color: var(--color-text-muted);
  cursor: not-allowed;
  pointer-events: none;
}

.buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  justify-content: center;
  width: fit-content;
}

.buttons .gobutton {
  margin: 0;
}

/* ==========================================================================
   Message/Alert Styles
   ========================================================================== */

.alert {
  font-size: 1.2rem;
  font-weight: bold;
  padding-top: 40px;
}

.alert--success {
  color: var(--color-success);
}

.alert--error {
  color: var(--color-error);
}

/* ==========================================================================
   Form Styles
   ========================================================================== */

input[type="text"],
input[type="password"],
input[type="number"],
.numinput {
  background-color: var(--color-white);
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-border);
  color: var(--color-text-dark);
  font-size: 1rem;
  padding: 0.5em 1em;
  text-align: center;
}

.numinput {
  font-size: 1.2rem;
  height: 1.8em;
  margin-bottom: 20px;
  width: 10em;
}

:is(input[type="text"], input[type="password"], input[type="number"], .numinput):focus {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

fieldset {
  border: none;
  margin: 0;
  padding: 0;
}

.form-row {
  align-items: baseline;
  display: flex;
  gap: 1em;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
}

.form-row label {
  font-size: 1.2rem;
  min-width: 5em;
  text-align: right;
}

/* ===========================================================================
   Game Page Styles
   ========================================================================== */

.content {
  align-items: center;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: var(--header-height) 0 6vh 0;
}

.heading {
  align-items: center;
  display: flex;
  flex-direction: column;
  margin-top: clamp(40px, 8vh, 80px);
  padding: 0 5vw;
}

.heading h1,
.heading h2,
.heading h3 {
  margin: 0;
}

.heading h1 {
  font-size: var(--font-size-h1);
}

.heading h2 {
  font-size: var(--font-size-h2);
}

.heading h3 {
  font-size: var(--font-size-h3);
  font-style: italic;
}

.banner {
  align-self: stretch;
  background-color: var(--color-banner-bg);
  padding: 2vh 1rem;
}

.banner a {
  color: var(--color-primary);
  font-weight: bold;
  margin-left: 0.6rem;
  text-decoration: none;
}

.chat-container {
  margin-top: var(--spacing-lg);
  max-width: var(--content-max-width);
  width: var(--content-width);
}

.chat-container input[type="text"] {
  text-align: left;
  width: 100%;
}

.chat-messages {
  max-height: 300px;
  overflow-wrap: anywhere;
  overflow-y: auto;
  text-align: left;
}

.level-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: 20px;
  padding: 0 10vw;
}

.level-list .gobutton {
  margin: 0;
  padding: 10px 20px;
}

.coord-search .gobutton {
  padding: var(--spacing-md);
}

.story {
  align-items: center;
  display: flex;
  flex-direction: column;
  font-size: 1rem;
  line-height: 1.5;
  margin: 10px 0 20px 0;
  max-width: var(--content-max-width);
  width: var(--content-width);
}

.story p {
  margin: 0;
  width: 100%;
}

.story a {
  color: var(--color-primary);
  font-weight: bold;
  margin-left: 0.2rem;
  text-decoration: none;
}

.oops .story {
  text-align: left;
}

.hints {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding-bottom: 4vh;
}

.hint {
  border-bottom: 1px solid var(--color-text);
  max-height: 66vw;
  max-width: var(--content-max-width);
  object-fit: contain;
  padding: var(--spacing-sm) 0;
  width: var(--content-width-lg);
}

.reason {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-style: italic;
}

/* Responsive adjustments */
@media only screen and (max-width: 500px) {
  .level-list .gobutton {
    border-radius: 25px;
    display: flex;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .banner {
    font-size: 0.85rem;
  }
}

/* ==========================================================================
   Chat Component
   ========================================================================== */

.chat-header {
  background-color: var(--color-chat-header);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  color: var(--color-white);
  padding: 0.75rem 1rem;
}

.chat-title {
  font-size: 1.25rem;
  font-weight: bold;
  margin: 0;
}

.chat-body {
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 0.75rem;
}

.chat-button {
  background-color: var(--color-chat-header);
  border-radius: var(--radius-sm);
  border: none;
  color: var(--color-white);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
}

.chat-button:hover {
  opacity: 0.85;
}

.chat-muted {
  color: var(--color-text-muted);
}

/* ==========================================================================
   Accessibility Utilities
   ========================================================================== */

.skip-link {
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  left: 0;
  padding: 8px 16px;
  position: absolute;
  text-decoration: none;
  top: -40px;
  z-index: 100;
}

.skip-link:focus {
  left: 10px;
  top: 10px;
}

.visually-hidden {
  border: 0;
  clip: rect(0, 0, 0, 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}